Open Menu /

Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

net/ipv4/udp_bpf.c udp_bpf_recvmsg() -> sk_udp_recvmsg()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 2 len 1-u64max
BUF_SIZE 1 msg->msg_control (-1)-0,16-17,24
BUF_SIZE 1 msg->msg_name (-1)-0,12,128
CAPPED_DATA 0 sk->sk_user_data 1
DATA_SOURCE 0 sk $0
DATA_SOURCE 1 msg $1
DATA_SOURCE 2 len $2
DATA_SOURCE 3 flags $3
BIT_INFO 3 flags 0x0,0xffffdfff
NOSPEC 1 msg->msg_iter.count
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 msg->msg_control 4096-ptr_max[c][u]
USER_DATA 1 msg->msg_control_user 4096-ptr_max[c][u]
USER_DATA 1 msg->msg_controllen 0-u64max
USER_DATA 1 msg->msg_flags 0-u32max[c]
USER_DATA 1 msg->msg_iter.count 0-u64max
USER_DATA 1 msg->msg_iter.iov_offset 0-u64max[c]
USER_DATA 1 *msg->msg_name s64min-s64max
USER_DATA 2 len 1-u64max
USER_DATA 3 flags s32min-s32max
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->truesize
UNITS 0 sk unit_byte
UNITS 2 len unit_byte

net/ipv4/udp_bpf.c udp_bpf_recvmsg() -> sk_udp_recvmsg()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 2 len 1-u64max
BUF_SIZE 1 msg->msg_control (-1)-0,16-17,24
BUF_SIZE 1 msg->msg_name (-1)-0,12,128
CAPPED_DATA 0 sk->sk_user_data 1
DATA_SOURCE 0 sk $0
DATA_SOURCE 1 msg $1
DATA_SOURCE 2 len $2
DATA_SOURCE 3 flags $3
BIT_INFO 3 flags 0x0,0xffffdfff
NOSPEC 1 msg->msg_iter.count
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 msg->msg_control 4096-ptr_max[c][u]
USER_DATA 1 msg->msg_control_user 4096-ptr_max[c][u]
USER_DATA 1 msg->msg_controllen 0-u64max
USER_DATA 1 msg->msg_flags 0-u32max[c]
USER_DATA 1 msg->msg_iter.count 0-u64max
USER_DATA 1 msg->msg_iter.iov_offset 0-u64max[c]
USER_DATA 1 *msg->msg_name s64min-s64max
USER_DATA 2 len 1-u64max
USER_DATA 3 flags s32min-s32max
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->truesize
UNITS 0 sk unit_byte
UNITS 2 len unit_byte

net/ipv4/udp_bpf.c udp_bpf_recvmsg() -> sk_udp_recvmsg()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_net.net->ipv4.fib_main->tb_data->kv->key 0-4294967295
PARAM_VALUE 0 sk->__sk_common.skc_node.next->pprev 1-u64max
PARAM_VALUE 0 sk->__sk_common.skc_prot->owner->refcnt.counter 0-s32max
PARAM_VALUE 0 sk->listener->sk_rcu.next 0
PARAM_VALUE 0 sk->sk_backlog.head->extensions->refcnt.refs.counter 1
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 0 sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 sk->sk_callback_lock.raw_lock.wlocked 0
PARAM_VALUE 0 sk->sk_error_queue.next->prev 2011684551238094848
PARAM_VALUE 0 sk->sk_lock.dep_map->name 0-255
PARAM_VALUE 0 sk->sk_lock.owned 0
PARAM_VALUE 0 sk->sk_lock.slock.rlock.dep_map->name 0-255
PARAM_VALUE 0 sk->sk_lock.wq.head.prev->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_lock.wq.head.prev->next->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_memcg->high_work.entry.next->prev 4096-ptr_max
PARAM_VALUE 0 sk->sk_memcg->tcpmem_pressure 0-1
PARAM_VALUE 0 sk->sk_rx_dst->u.dst.__pad s16min-s16max
PARAM_VALUE 0 sk->sk_rx_dst->u.dst.__rcuref.refcnt.counter s32min-s32max
PARAM_VALUE 0 sk->sk_rx_dst->u.dst.__use s32min-s32max
PARAM_VALUE 0 sk->sk_rx_dst->u.dst.dst_trace_seq.counter s32min-s32max
PARAM_VALUE 0 sk->sk_rx_dst->u.dst.error s16min-s16max
PARAM_VALUE 0 sk->sk_rx_dst->u.dst.header_len 0-u16max
PARAM_VALUE 0 sk->sk_rx_dst->u.dst.obsolete s16min-s16max
PARAM_VALUE 0 sk->sk_rx_dst->u.dst.tclassid 0-4294967295
PARAM_VALUE 0 sk->sk_rx_dst->u.dst.trailer_len 0-u16max
PARAM_VALUE 0 sk->sk_user_data->work.flags 0-4294967295
PARAM_VALUE 0 sk->sk_user_data->work.is_hard 0-1
PARAM_VALUE 0 sk->sk_user_data->work.is_lazy 0-1
PARAM_VALUE 0 sk->sk_user_data->work.is_queued 0-1
PARAM_VALUE 0 sk->sk_user_data->work.is_soft 0-1
PARAM_VALUE 0 sk->sk_user_data->work.node.node.next 0
PARAM_VALUE 0 sk->sk_user_data->work.node.node.prev 0
PARAM_VALUE 0 sk->skc_family 0-u16max
PARAM_VALUE 0 *sk->sk_backlog.head->dev->name 0-255
PARAM_VALUE 1 msg->msg_iter.__iov 4096-u64max
PARAM_VALUE 1 msg->msg_iter.bvec 4096-u64max
PARAM_VALUE 1 msg->msg_iter.folioq 1-u64max
PARAM_VALUE 1 msg->msg_iter.kvec 4096-u64max
PARAM_VALUE 2 len 1-u64max
BUF_SIZE 1 msg->msg_control (-1)-0,16-17,24
BUF_SIZE 1 msg->msg_name (-1)-0,12,128
CAPPED_DATA 0 sk 1
DATA_SOURCE 0 sk $0
DATA_SOURCE 1 msg $1
DATA_SOURCE 2 len $2
DATA_SOURCE 3 flags $3
BIT_INFO 3 flags 0x0,0xffffdfff
NOSPEC 1 msg->msg_iter.count
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 msg->msg_control 4096-ptr_max[c][u]
USER_DATA 1 msg->msg_control_user 4096-ptr_max[c][u]
USER_DATA 1 msg->msg_controllen 0-u64max
USER_DATA 1 msg->msg_flags 0-u32max[c]
USER_DATA 1 msg->msg_iter.count 0-u64max
USER_DATA 1 msg->msg_iter.iov_offset 0-u64max[c]
USER_DATA 1 *msg->msg_name s64min-s64max
USER_DATA 2 len 1-u64max
USER_DATA 3 flags s32min-s32max
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->truesize
UNITS 0 sk unit_byte
UNITS 2 len unit_byte